Genetic examinations list
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Testing for acquired chromosomal aberrations
The testing is used to determine the frequency of acquired chromosomal aberrations in peripheral blood lymphocytes.
Material:
Peripheral bloodTurnover Time:
2-8 weeksSpinal muscular atrophy – determination of copy number of exon 7 and 8 in the SMN1 gene
Examination of SMN1 and SMN2 genes associated with spinal muscular atrophy (SMA) by MLPA method. This concerns an autosomal recessive disease that is most often associated with homozygous deletion of exon 7 in the SMN1 gene (almost 95% of all patients with SMA).
Material:
Peripheral blood, Isolated DNA from bloodTurnover Time:
3 weeksSTATIM
3 daysTesting for maternal contamination
Testing of maternal contamination of material after collection by invasive techniques, using QF-PCR.
Material:
Peripheral blood, Isolated DNA from bloodSTATIM
2 daysSmith-Lemli-Opitz syndrome – detection of the 3 most common mutations in the DHCR7 gene (p.Trp151Ter, p.Val326Leu and c.964-1G>C)
Screening of the 3 most common DHCR7 gene mutations: c.452G>A (p.Trp151Ter), c.976G>T (p.Val326Leu), c.964-1G>C (IVS8-1G>C) using Sanger sequencing, which represent about 81% of all mutations in patients with SLOS (Smith-Lemli-Opitz syndrome, OMIM 270400).
Material:
Chorionic villi, Amniotic fluid …Turnover Time:
3 weeksSTATIM
1 weekTesting for maternal contamination of the conception
Testing for maternal contamination of aborted foetal tissue by QF-PCR.
Material:
Peripheral blood, Buccal swab …Turnover Time:
3 weeksTesting for acquired chromosomal aberrations
Karyotyping to determine the level of chromosome damage in peripheral blood lymphocytes.